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AN8015SH Datasheet(Fiches technique) 1 Page - Panasonic Semiconductor

Numéro de pièce AN8015SH
Description  Single-channel step-down, step-up, or inverting use DC-DC converter control IC
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Fabricant  PANASONIC [Panasonic Semiconductor]
Site Internet  http://www.panasonic.com/industrial/
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Voltage Regulators
1
AN8015SH
Single-channel step-down, step-up, or inverting use
DC-DC converter control IC
s Overview
The AN8015SH is a single-channel DC-DC converter
control IC using the PWM method.
This IC can provide any one output type from among
step-down, step-up and inverting output.
Its operating supply voltage range is wide and its
consumption current is small. In addition, since it uses the
10-pin surface mounting type package with 0.5 mm pitch,
it is suitable for highly efficient miniature potable power
supply, especially for a negative output power supply.
s Features
• Wide operating supply voltage range (3.6 V to 34 V)
• Small consumption current (1.8 mA typical)
• Converter control in a wide output frequency range is
possible (2 kHz to 500 kHz).
• Built-in timer latch short-circuit protection circuit (charge current 1.1 µA typical)
• Incorporating the under-voltage lock-out (U.V.L.O.) circuit
• Incorporating a high precision reference voltage circuit (2.46 V (allowance: ± 3%))
• Output block is open-collector (darlington) type.
• High absolute maximum rating of output current (100 mA)
• Maximum duty ratio is fixed and has small sample-to-sample variations (90% ± 5%).
• Using 10-pin small outline package of 0.5 mm pitch
s Applications
• LCD displays, digital still cameras, and PDAs
s Block Diagram
SSOP010-P-0225
Unit: mm
4.3
±0.30
6.3
±0.30
0.5
±0.2
1
5
10
6
2.46 V
(allowance :
± 3%)
Out
5
GND
4
IN
+
8
Latch
Error amp.
S.C.P. comp.
SR
U.V.L.O.
RO
Triangular
wave OSC
Reference
supply
Clamp
1.11 V
VREF
I
PWM
comparator
1.2 V
0.5 V
0.37 V
1.83 V
IN
9
FB
10




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